在选择培训方法时，知识的传授多以（）方法为主。
A.课堂授课
B.示范模拟
C.角色扮演
D.情景模拟
参考答案：A
Since the hero's story _____ on CCTV, many people have been learning from him. [ ]
A. reports
B. reported
C. was reporting
D. was reported
应用（）功能，系统不仅能检出该检索词的文献，还能检出与该检索词同属于一个概念的同义词或下位词的文献。
A、加权检索
B、精确检索
C、模糊检索
D、扩展检索
